These points are also on the negative side of the x axis, at -pi/4 and -pi/2. When we move along the x axis, notice what happens to the y value. On the left side of zero, tangent is negative. At x=-pi/4, tangent=-1.
The Independent Online. David Cameron may have called a referendum on the EU to blackmail Europe, according to Vladimir Putin. The Russian president also questioned Mr Cameronâs decision to call the vote, as it has caused a âgreat problemâ.
Hitler told his generals to prepare for the invasion of Austria. He ordered Schuschnigg to call off the referendum. Knowing he would receive no help from Italy, and that France and Britain would not interfere in Hitler's plans, Schuschnigg conceded. He called off the referendum and resigned.